Mount Giona (, also
transliterated as
Gkiona, ) is a mountain in
Phocis,
Central Greece. It is located between the mountains of
Parnassus to the east,
Vardousia to the west, and
Oeta to the north. Known in
classical antiquity as the
Aselinon Oros (, 'moonless mountain'), it is the highest mountain south of
Olympus and the fifth overall in
Greece. Pyramida is its highest peak at . Other peaks include the Perdika (Πέρδικα, 2,484 m), Tragonoros (Τραγονόρος, 2,456 m), Platyvouna or Plativouna (Πλατυβούνα, 2,316 m), Profitis Ilias (Προφήτης Ηλίας, 2,298 m), Kastro (Κάστρο, 2,176 m), Vraila (Βράϊλα, 2,177 m), Paliovouni (Παλιοβούνι, 2,122 m), Pyrgos (Πύργος, 2,066 m), Lyritsa (Λυρίτσα, 2,007 m), Botsikas (Μπότσικας, 1,945 m), Kokkinari (Κοκκινάρι, 1,908 m), Tychioni (Τυχιούνι, 1,842) and another Profitis Ilias (Προφήτης Ηλίας, 1,806 m). It is drained by the river
Mornos to the west.